document.write( "Question 194977: hi. im having a really hard time solving a logarithmic equation. heres the first problem log4 x=3/2 can you explain it to me? \n" ); document.write( "
Algebra.Com's Answer #146262 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Apply \"log rules\"
\n" ); document.write( "You can review them at:
\n" ); document.write( "http://www.purplemath.com/modules/logrules.htm
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\n" ); document.write( "log4 x=3/2
\n" ); document.write( "x = 4^(3/2)
\n" ); document.write( "x = sqrt(4^3)
\n" ); document.write( "x = sqrt(64)
\n" ); document.write( "x = +- 8
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\n" ); document.write( "We can toss out the negative solution because you can't take a log of a negative number.
\n" ); document.write( "Therefore,
\n" ); document.write( "x = 8
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